MESON Chess Problem Database

Problem Display
PID: 108615 (2r5/1p1p1Qp1/1Kbk4/4p3/4P3/2p5/2N1R3/8 w - - 0 1)

Kichigin, Viktor Vladimirovich

Mezija, 1994

2r5/1p1p1Qp1/1Kbk4/4p3/4P3/2p5/2N1R3/8

#2

5 + 8

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...g5
      • 2.Qf6#
    • 1...g6
      • 2.Qf6#
  • Tries
    • 1.Sa3?
      • threat
        • 2.Sc4#
      • 1...Bxe4
        • 2.Sb5#
      • 1...Bb5
        • 2.Sxb5#
      • 1...Bd5
        • 2.Sb5#
      • 1...Ba4!
    • 1.Se3?
      • threat
        • 2.Sc4#
        • 2.Sf5#
      • 1...Ba4
        • 2.Sf5#
      • 1...Bb5
        • 2.Sf5#
      • 1...Bd5
        • 2.Sf5#
      • 1...g6
        • 2.Sc4#
        • 2.Qf6#
      • 1...Bxe4!
    • 1.Rd2+?
      • 1...Bd5
        • 2.Rxd5#
      • 1...cxd2!
  • Keys
    • 1.Sd4!
      • threat
        • 2.Sf5#
      • 1...Bxe4
        • 2.Sb5#
      • 1...exd4
        • 2.e5#
      • 1...g6
        • 2.Qf6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 1
  • Sets
    • P(g);N_GUARD::QAR2(E)
  • Tries
    • Try
      • S(A);
      • Threat
        • S(A)
      • Vars
        • B(c);N_GUARD,XP(C)::S(A)
        • B(c);N_GUARD::S(A),XB(c)
        • B(c);N_GUARD::S(A)
      • Refutation
        • B(c);
    • Try
      • S(A);
      • Threat
        • DUALS(2)
      • Vars
        • B(c);::S(A)
      • Refutation
        • B(c);XP(C)
    • Try
      • R(B);CHECK
      • Vars
        • B(c);N_GUARD,P_SPINB(c)::R1(B),XB(c)
      • Refutation
        • P(a);XR(B)
  • Actual
    • S(A);
    • Threat
      • S(A)
    • Vars
      • B(c);N_GUARD,XP(C)::S(A)
      • P(b);OGATE,XS(A)::P(C)
      • P(g);N_GUARD::QAR2(E)
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